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| author | David S. Miller <davem@davemloft.net> | 2016-05-09 22:59:24 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-09 22:59:24 +0300 |
| commit | e800072c18f0d7b89a80fa46dceb3d080c80e09c (patch) | |
| tree | 8da6cb7944762a60ec37594720c1ad2757631c2f /arch/arc/include/asm/mmzone.h | |
| parent | e8ed77dfa90dd79c5343415a4bbbfdab9787b35a (diff) | |
| parent | b507146bb6b9ac0c0197100ba3e299825a21fed3 (diff) | |
| download | linux-e800072c18f0d7b89a80fa46dceb3d080c80e09c.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
In netdevice.h we removed the structure in net-next that is being
changes in 'net'. In macsec.c and rtnetlink.c we have overlaps
between fixes in 'net' and the u64 attribute changes in 'net-next'.
The mlx5 conflicts have to do with vxlan support dependencies.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arc/include/asm/mmzone.h')
| -rw-r--r-- | arch/arc/include/asm/mmzone.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arc/include/asm/mmzone.h b/arch/arc/include/asm/mmzone.h new file mode 100644 index 000000000000..8e97136413d9 --- /dev/null +++ b/arch/arc/include/asm/mmzone.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _ASM_ARC_MMZONE_H +#define _ASM_ARC_MMZONE_H + +#ifdef CONFIG_DISCONTIGMEM + +extern struct pglist_data node_data[]; +#define NODE_DATA(nid) (&node_data[nid]) + +static inline int pfn_to_nid(unsigned long pfn) +{ + int is_end_low = 1; + + if (IS_ENABLED(CONFIG_ARC_HAS_PAE40)) + is_end_low = pfn <= virt_to_pfn(0xFFFFFFFFUL); + + /* + * node 0: lowmem: 0x8000_0000 to 0xFFFF_FFFF + * node 1: HIGHMEM w/o PAE40: 0x0 to 0x7FFF_FFFF + * HIGHMEM with PAE40: 0x1_0000_0000 to ... + */ + if (pfn >= ARCH_PFN_OFFSET && is_end_low) + return 0; + + return 1; +} + +static inline int pfn_valid(unsigned long pfn) +{ + int nid = pfn_to_nid(pfn); + + return (pfn <= node_end_pfn(nid)); +} +#endif /* CONFIG_DISCONTIGMEM */ + +#endif |